Repo sink (#52)

* renamed a few test files.
tested the dropna function

* indexer tests

* subtraction

* Subtract, divide, and equals

* DataFrame operators - equality

* added pop test

* Sample test added.
Added support for sample with replace.

* Create ubuntu-dotnet.yml

* Update ubuntu-dotnet.yml

* Remove reference to TensorFlow.NET

* Update PandasConsole.indexers.cs

* Update and rename ubuntu-dotnet.yml to build-and-test.yml

* ubuntu, windows, and macos ci

* fixing macos file 1

* mac os dependencies

* macox test

* another test

* more tweaks

* fixing up the macos build

* more ci work

* removed tensorflow from test package

* disable the macos test for now

* Deleting some extra files that got added via some merge confusion

* fixing yml indentation

.github/workflows/ubuntu-ci.yml

@@ -11,8 +11,8 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-
-  steps:
+    
+    steps:
     - uses: actions/checkout@v4
     - name: Setup .NET
       uses: actions/setup-dotnet@v4

.github/workflows/windows-ci.yml

@@ -12,7 +12,7 @@ jobs:
   build:
     runs-on: windows-latest
 
-  steps:
+    steps:
     - uses: actions/checkout@v4
     - name: Setup .NET
       uses: actions/setup-dotnet@v4